JAMB and WAEC Mathematics questions: Mensuration

53 questions with answers and explanations. Tap an option to check yourself.

1. Question 41· Mensuration· WAEC

   A sector of a circle of radius 7 cm has an angle of 90°. Find the length of its arc. (Take π = 22/7)

   • A11 cm
   • B22 cm
   • C38.5 cm
   • D44 cm

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   Explanation and discussion

2. Question 42· Mensuration· WAEC

   Find the total surface area of a cube of side 5 cm.

   • A150 cm²
   • B125 cm²
   • C100 cm²
   • D25 cm²

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   Explanation and discussion

3. Question 43· Mensuration· WAEC

   Find the area of a circle of radius 7 cm. [π = 22/7]

   • A154 cm²
   • B44 cm²
   • C22 cm²
   • D308 cm²

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   Explanation and discussion

4. Question 44· Mensuration· JAMB

   Find the length of a diagonal of a rectangle 6 cm by 8 cm.

   • A12 cm
   • B14 cm
   • C48 cm
   • D10 cm

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   Explanation and discussion

5. Question 45· Mensuration· JAMB

   How many litres of water will fill a rectangular tank measuring 2 m by 1.5 m by 1 m? (1 m³ = 1000 litres)

   • A3000
   • B300
   • C30 000
   • D3

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   Explanation and discussion

6. Question 46· Mensuration· WAEC

   Find the volume of a cuboid measuring 8 cm by 5 cm by 3 cm.

   • A16 cm³
   • B120 cm³
   • C158 cm³
   • D60 cm³

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   Explanation and discussion

7. Question 47· Mensuration· JAMB

   Find the volume of a sphere of radius 3 cm. (Take π = 22/7.)

   • A37.7 cm³
   • B113.1 cm³
   • C339.4 cm³
   • D84.9 cm³

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   Explanation and discussion

8. Question 48· Mensuration· JAMB

   Find the length of an arc of a circle of radius 14 cm that subtends an angle of 90° at the centre. (Take π = 22/7.)

   • A22 cm
   • B44 cm
   • C11 cm
   • D154 cm

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   Explanation and discussion

9. Question 49· Mensuration· JAMB

   Find the volume of a cone of radius 3 cm and height 7 cm. (Take π = 22/7.)

   • A132 cm³
   • B198 cm³
   • C66 cm³
   • D22 cm³

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   Explanation and discussion

10. Question 50· Mensuration· JAMB

    Find the total surface area of a cuboid measuring 4 cm by 3 cm by 2 cm.

    • A26 cm²
    • B24 cm²
    • C52 cm²
    • D48 cm²

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    Explanation and discussion

11. Question 51· Mensuration· JAMB

    Find the curved surface area of a cone of radius 3 cm and slant height 5 cm. [π = 3.14]

    • A15 cm²
    • B28.26 cm²
    • C75.36 cm²
    • D47.1 cm²

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    Explanation and discussion

12. Question 52· Mensuration· JAMB

    Find the volume of a cylinder of radius 14 cm and height 5 cm. (Take π = 22/7.)

    • A440 cm³
    • B3080 cm³
    • C1540 cm³
    • D6160 cm³

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    Explanation and discussion

13. Question 53· Mensuration· JAMB

    A cylinder of radius 7 cm has a curved surface area of 440 cm². Find its height. (Take π = 22/7.)

    • A20 cm
    • B10 cm
    • C5 cm
    • D14 cm

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    Explanation and discussion